只封禁一台地址为193.62.40.230主机的access-list的正确配置是
A.access-list 110 permit ip any any access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230
B.access-list 110 deny ip host 193.62.40.230any access-list 110 deny ip any host 193.62.40.230 access-list 110 permit ip any any
C.access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230
D.access-list 110 deny ip host 193.62.40.230 any access-list 110 permit ip any any access-list 110 deny ip any host 193.62.40.230
第1题:
拒绝转发所有IP地址进与出方向的、端口号为1434的UDP和端口号为4444的TCP数据包,下列正确的access-list配置是
A)Router (config)#access-list 30 deny udp any any eq 1434
Router (config)#access-list 30 deny tcp any any eq 4444
Router (config)#access-list 30 permit ip any any
B)Router (config)#access-list 130 deny udp any any eq 1434
Router (config)#access-list 130 deny tcp any any eq 4444
Router (config)#access-list 130 permit ip any any
C)Router (config)#access-list 110 deny any any udp eq 1434
Router (config)#access-list 110 deny any any tcp eq 4444
Router (config)#access-list 110 permit ip any any
D)Router (config)#access-list 150 deny udp ep 1434 any any
Router (config)#access-list 150 deny tcp ep 4444 any any
Router (config)#access-list 150 permit ip any any
第2题:
只封禁一台地址为193.62.40.230主机的access—list的正确配置是——。
A.access—list 110 permit ip any any access—list 110 deny ip host 193.62.40.230 any access—list 1 10 deny ip any host 193.62.40.230
B.access—list 110 denv ip host 193.62.40.230 any access—list 110 deny ip any host 193.62.40.230 access—-list 110 permit ip any any
C.access—list 110 deny ip host 193.62.40.230 any aCCeSS—list 110 deny ip any host 193.62.40.230
D.access—list 110 deny ip host 193.62.40.230 any access—list 110 permit ip any any access—list 110 deny ip any host 193.62.40.230
第3题:
定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表,Cisco路由器的正确配置是( )。
A) access-list 198 permit icmp 166.129.130.0 255.255.255.0 any
access-list 198 deny icmp any any
access-list 198 permit ip any any
B) access-list 198 permit icmp 166.129.130.0 0.0.0 255 any
access-list 198 deny icmp any any
access-list 198 permit ip any any
C) access-list 99 permit icmp 166.129.130.0 0.0.0 255 any
access-list 99 deny icmp any any
access-list 99 permit ip any any
D) access-list 100 permit icmp 166.129.130.0 0.0.0 255 any
access-list 100 pernut ip any any
access-list 100 deny icmp any any
第4题:
只封禁一台IP地址为203.168.47.59主机的access-list的正确配置是(41) 。
A.access-list 110permit ip any any access-list 110deny ip host 203.168.47.59 any access-list 110deny ip any host 203.168.47.59
B.access-list 110deny ip host 203.168.47.59any access-list 110deny ip any host 203.168.47.59 access-list 110permit ip any any
C.access-list 110deny ip host 203.168.47.59 any access-list 110deny ip any host 203.168.47.59
D.access-list 110deny ip host 203.168.47.59 any access-list 110permit ip any any access-list 110deny ip any host 203.168.47.59
第5题:
在 Cisco 路由器匕用扩展访问控制列表封禁 1P 地址为 211.102.33.24 的主机,正确的配置语句是
A )
access-list 99 deny ip host 211.102.33.24 any
access-list 99 deny ip any host 211.102.33.24
access-list 99 permit ip any any
B )
access-list 100 permit ip any any
access-list 100 deny ip host 211.102.33.24 any
access-list 100 deny ip any host 211.102.33.24
C )
access-list 199 deny ip host 211.102.33.24 any
access-list 199 deny ip any host 211.102.33.24
access-list 199 permit ip any any
D )
access-list 166 deny ip host 211.102.33.24 any
access-list 166 permit ip any any
第6题:
定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表,Cisco路由器的正确配置是
A.access-list 198 permit icmp 166.129.130.0 255.255.255.0 any access-list 198 deny icmp any any access-list 198 permit ip any any
B.access-list 198 permit icmp 166.129.130.0 0.0.0.255 any access-list 198 deny icmp any any access-list 198 permit ip any any
C.access-list 99 permit icmp 166.129.130:0 0.0.0.255 any access-list 99 deny icnip any any access-list 99 permit ip any any
D.access-list 100 permit icmp 166.129.130.0 0.0.0.255 any access-list 100 permit ip any any access-list 100 deny icmp any any
第7题:
( 22 )只封禁一台地址为 193.62.40.230 主机的 access-list 的正确配置是
A ) access-list 110 permit ip any any
access-list 110 deny ip host 193.62.40.230 any
access-list 110 deny ip any host 193.62.40.230
B ) access-list 110 deny ip host 193.62.40.230 any
access-list 110 deny ip any host 193.62.40.230
access-list 110 permit ip any any
C ) access-list 110 deny ip host 193.62.40.230 any
access-list 110 deny ip any host 193.62.40.230
D ) access-list 110 deny ip host 193.62.40.230 any
access-list 110 permit ip any any
access-list 110 deny ip any host 193.62.40.230
第8题:
在Cisco路由器上,用扩展访问控制列表封禁IP地址为211.102.33.24的主机,正确的配置语句是______。
A.access-list 99 deny ip host 211.102.33.24 any access-list 99 deny ip any host 211.102.33.24 access-list 99 permit ip any any
B.access-list 100 permit ip any any access-list 100 deny ip host 211.102.33.24 any access-list 100 deny ip any host 211.102.33.24
C.access-list 199 deny ip host 211.102-33.24 any access-list 199 deny ip any host 211.102.33.24 access-list 199 permit ip any any
D.access-list 166 deny ip host 211.102.33.24 any access-list 166 permit ip any any
第9题:
用扩展访问控制列表配置封禁ICMP协议,只允许l68.27.95.0/24子网的ICMP数据包通过路由器,正确的配置是(61) 。
A.access-list 90 deny icmp l68.27.95.0 255.255.255.0 any access-list 90 deny icmp any anyaccess—list 90 permit ip any any
B.access-list l00 permit icmp l68.27.95.0 0.0.0.255 any access-list l00 permit ip any any
C.access—list l l o permit icmp l68.27.95.0 255.255.255.0 any access—list l lo deny icmp any any
D.access-list l20 permit icmp l68.27.95.0 0.0.0.255 any access—list l20 deny icmp any any access—list l20 permit ip any any
第10题:
要禁止内网中IP地址为198.168.46.8的PC访问外网,正确的ACL规则是(11)。
A.access-list 1 permit ip 192.168.46.00.0.0.255 any access-list 1 deny ip host 198.168.46.8 any
B.access-list 1 permit ip host 198.168.46.8 any access-list 1 deny ip 192.168.46.00.0.0.255 any
C.access-list 1 deny ip 192.168.46.00.0.0.255 any access-list 1 permit ip host 198.168.46.8 any
D.access-list 1 deny ip host 198.168.46.8 any access-list 1 permitip 192.168.46.00.0.0.255 any